Mariah Lyons risks her life to solve the brutal murder of her father, Dr. Jonathan Lyons, a well-respected academic, who in a stroke of luck comes into the possession of an ancient and highly valuable parchment stolen from the Vatican in the 15th century.

After a mountainside massacre yields a grim message, Painter Crowe, director of Sigma Force, must join with Commander Grayson Pierce and an unlikely ally if he is going to get to the root of a conspiracy that stretches back to a lost prehistoric colony in America.

A discovery by submersible designer Hannah Bryson suggests a possible cause of mythical Atlantis's mysterious demise that has potentially cataclysmic consequences for the modern world.

Joining forces with Israeli cop Arieh Ben-Roi, Egyptian detective Yusuf Khalifa investigates the discovery of a body at an isolated archaeological site, a death he connects with a murdered Israeli, which ultimately leads to an enigma dating back to 70 A.D.

Archaeologist Dilara Kenner and former combat engineer Tyler Locke realize that they have just seven days to find the remains of Noah's Ark before shadowy agents use its secret to wipe out civilization.

On a class field trip, Henry hopes to dig up a dinosaur bone with his lucky shovel.

Effective Engineering Solutions has been inexplicably shut down and the head of the company, Eli Glinn, has all but vanished. Fresh off a diagnosis that gives him only months to live, Gideon Crew is contacted by one of his coworkers at EES, Manuel Garza, who tells him the two have mere hours to collect their belongings before the office closes forever. After years of dedicated service and several high-risk missions, theirs seems like the most ignoble...

Rachel Kirby, a computer genius whose beloved twin sister is dying from a chronc illness, receives a mysterious email from archeologist John Tanek who sits trapped inside a collapsed Egyptian tomb with a functioning laptop thousands of miles away. It turns out the collapse was no accident. John has discovered something very valuable in that tomb, something that humankind has been searching for throughout history, something that Rachel could use as...